Column Packings

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Raschig Ring, AISI 316, 15 mm — BTS Engineering
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Column packings are special structures with a developed surface for use in industry or chemical laboratories. Most often, these packings are supplied in the form of Rashig rings, that is, ceramic rings of different diameters and sizes. Glass or metal rings can be used for chemical laboratories. There is no unambiguous choice of packing, since there are a lot of options and they are all selected for a separate project.

The material of the column packings is selected depending on the chemical characteristics of the environment with which the system works. For example, rings can be made of metal, ceramic, glass, or plastic. Most often, ceramic options are used, since they are more versatile and suitable for working with the largest amount of liquids.

Special attachments are put on the columns. Sometimes in several layers. The height of each layer is also different and depends on the specifics of the project. In some places, there are additional cap plates that are installed between the rings to distribute the liquid solution more evenly.

Advantages of using column attachments

Column packings in the form of rings ensure the normal flow of the heat and mass exchange process between the vapors that rise up and the phlegm that slowly flows down. The use of special rings allows you to increase the contact area on the surface and get strong pure alcohol during distillation, for example. Therefore, the main advantage of using such rings in industry and chemical installations is precisely an increase in the contact area and a decrease in liquid resistance. In addition, they are quite resistant to wear and serve in the systems for a long time, without requiring additional maintenance. Such elements can be cleaned very easily, you can use any means, since ceramics do not enter into chemical reactions with most substances and solutions. Dirt will be easily removed, and the Rings will withstand all exposure.

Areas of use of column attachments.

Most often column packings in the form of rings made of various materials are used to fill columns and systems:

  • In the oil refining industry;
  • In the petrochemical industry;
  • In sewage systems;
  • In water supply systems;
  • In chemical production systems;
  • In fertilizer production systems.

In general, such rings are used for equipping any projects where column attachments may be needed.

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